3.7V 1000mAh 952540 25c Lipo Battery for Syma X5 X5C X5SC Drone Quadcopter Lot | eBay
High Discharge Rating 903048 3.7V 1000mAh Li Ion RC Helicopter Battery 15c 20c for Quadcopter Drone - China 3.7V 903048 Lipo Battery, 903048 Lithium Ion Battery | Made-in-China.com